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Vulnerability record · CVE-2026-41895 · published 12 May 2026

CVE-2026-41895: Webtechnologies changedetection xml external entity (xxe) vulnerability

Webtechnologies · Changedetection

changedetection.io is a free open source web page change detection tool. In 0.54.9 and earlier, xpath_filter() switches to XML mode for XML/RSS content and creates etree.XMLParser(strip_cdata=False) without explicitly disabling external entity resolution, external DTD loading, or network-backed entity lookup. The helper then parses untrusted XML bytes directly with etree.fromstring(...).

8.2 CVSS 4.0 High EPSS 0.37% · top 72.1% CWE-611 · XML external entity (XXE)
8.2CVSS 4.0 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

changedetection.io is a free open source web page change detection tool. In 0.54.9 and earlier, xpath_filter() switches to XML mode for XML/RSS content and creates etree.XMLParser(strip_cdata=False) without explicitly disabling external entity resolution, external DTD loading, or network-backed entity lookup. The helper then parses untrusted XML bytes directly with etree.fromstring(...).

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-v7cp-2cx9-x793 MitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-35490Webtechnologies changedetection incorrect authorization vulnerabilitychangedetection.io is a free open source web page change detection tool. Prior to 0.54.8, the @login_optionally_required decorator is placed before (…EPSS 0.64%8.8CVE-2026-29065Webtechnologies changedetection path traversal vulnerabilitychangedetection.io is a free open source web page change detection tool. Prior to version 0.54.4, a Zip Slip vulnerability in the backup restore func…EPSS 0.56%8.8CVE-2026-29039Webtechnologies changedetection code injection vulnerabilitychangedetection.io is a free open source web page change detection tool. Prior to version 0.54.4, the changedetection.io application allows users to …EPSS 0.51%8.6CVE-2026-27696Webtechnologies changedetection server-side request forgery (ssrf) vulnerabilitychangedetection.io is a free open source web page change detection tool. In versions prior to 0.54.1, changedetection.io is vulnerable to Server-Side…EPSS 0.48%8.3CVE-2026-33981Webtechnologies changedetection information exposure vulnerabilitychangedetection.io is a free open source web page change detection tool. Prior to 0.54.7, the `jq:` and `jqraw:` include filter expressions allow use…EPSS 0.48%7.5CVE-2026-43891Webtechnologies changedetection vulnerabilitychangedetection.io is a free open source web page change detection tool. Prior to 0.55.1, the vulnerability is caused by trusting attacker-controlled…EPSS 0.50%7.1CVE-2026-35000Webtechnologies changedetection vulnerabilityChangeDetection.io versions prior to 0.54.7 contain a protection bypass vulnerability in the SafeXPath3Parser implementation that allows attackers to…EPSS 0.47%6.1CVE-2026-29038Webtechnologies changedetection cross-site scripting vulnerabilitychangedetection.io is a free open source web page change detection tool. Prior to version 0.54.4, there is a reflected cross-site scripting (XSS) vul…EPSS 0.34%

Source: NIST National Vulnerability Database (record CVE-2026-41895), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.